/**
 * @Author：JIAMIN_TANG
 * @Description:
 * @CreateTime：2025/10/28 20:54
 */
import java.util.Scanner;
import java.util.StringTokenizer;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String s = scanner.nextLine();

    }
}
